S-90279A146 6-32 x 3/8" ASME B18.6.3 Steel Round Head Phillips Screws
Steel Round Head Phillips Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional corrosion resistance with zinc plating for extended service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable fastening under significant mechanical stress
- Class 2A coarse UNC thread fit provides easier, faster assembly with reduced cross-threading risk
- Full threading along the entire 3/8" length delivers maximum grip and holding power
- Rockwell B69 hardness rating maintains structural integrity and prevents deformation during installation
- Rounded Phillips head with No. 2 drive offers secure tool engagement and streamlined installation
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH ensures quality and environmental safety
Professional Applications & Engineering Value
These 6-32 UNC zinc-plated steel screws deliver critical performance advantages for industrial assembly applications. The combination of coarse threading and Class 2A thread fit significantly reduces installation time while minimizing the risk of cross-threading in high-volume production environments. The zinc-plated steel construction provides essential corrosion protection for equipment exposed to moisture or harsh operating conditions. With full threading along the entire 3/8" length, these rounded head Phillips screws achieve maximum thread engagement and clamping force, preventing loosening from vibration in machinery, electrical enclosures, and automotive components. The 60,000 psi tensile strength ensures these fasteners maintain integrity under sustained loads, making them ideal for structural applications where reliability is paramount.
Specification Summary & Compliance
These rounded head screws feature precise 6-32 UNC coarse threads with Class 2A thread fit per ASME B18.6.3 specifications. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restricted substance adherence for global industrial applications.
